“The incident occurred during the early hours of a Saturday morning so there may have been people on an evening out in the town that may have seen something. I would like anyone who has any information, no matter how small, to contact police via 101.

“I would also like to reassure the public that we are investigating this serious crime and will be reviewing all local CCTV, making house to house enquiries and extra police patrols will be in the area.”

“If you don't want to speak directly to the police you can contact the independent charity Crimestoppers anonymously on 0800 555 111 or online at www.crimestoppers-uk.org."